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单词 precellular
释义

precellular

英汉-汉英词典
前细胞的
词组 | 习惯用语
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  • cellular adj. 细胞的;多孔的;由细胞组成的 n. 移动电话;单元
  • unicellular adj. 单细胞的
  • extracellular adj. [生](位于或发生于)细胞外的
precellular 前细胞的

网络短语:
precellular period 前细胞时期
precellular evolution 细胞前进化
英语百科

Pre-cell

A pre-cell is a hypothetical lipid-based structure that, under the RNA world hypothesis, could have confined RNA in ancient times. A pre-cell allowed the RNA to remain in close proximity with other RNA molecules, keeping them concentrated and allowing for an increased reaction rate of enzymes. Pre-cells would have had semi-permeable membranes, allowing only certain molecules to pass through. These enclosed structures may have facilitated natural selection in RNA molecules.

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